What is the monomer of the DNA molecule?
A. Polynucleotide
B. Nucleotide
C. Peptide
D. Monosaccharide
Answer: B
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All of the following are involved in the transport system of the vascular plant EXCEPT
A. Xylem B. Tracheids C. Sporangia D. Vascular tissue
A new drug for depression was developed by taking a disaccharide, sucrose, and combining several different hydrophilic functional groups onto the molecule. After hearing about its structure, you are positive that this molecule has zero direct effect on
the brain. Why? What will be an ideal response?
During which phase of growth are bacteria most susceptible to antibiotics?
A. Lag B. Stationary C. Exponential (log) D. Decline
Which of the following statements applies to sexually reproducing species but not asexually reproducing species?
A. Reproduction can occur with either one or two parents. B. The two "daughter" cells that result from cell division following mitosis are genetically identical to each other and to the original "parent" cell. C. Two kinds of cell division are required. D. Offspring are able to reproduce.